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Hazardous Weather Conditions
Current conditions at
St Clair County International Airport (KPHN)
Lat: 42.91°NLon: 82.53°WElev: 636ft.
Fair
0°F
-18°C
| Humidity | 38% |
| Wind Speed | Calm |
| Barometer | 30.58 in |
| Dewpoint | -20°F (-29°C) |
| Visibility | 10.00 mi |
| Last update | 23 Jan 6:15 pm EST |
Extended Forecast for
3 Miles SE Casco MI
Cold Weather Advisory January 23, 06:21pm until January 24, 10:00am
NOW until 10:00am Sat

Cold Weather Advisory
Tonight

Low: -11 °F
Mostly Clear
Saturday

High: 7 °F
Cold
Saturday Night
Low: 4 °F⇑
Mostly Cloudy
then Chance
SnowSunday

High: 17 °F
Snow
Sunday Night

Low: 11 °F
Snow Likely
Monday

High: 17 °F
Chance Snow
Monday Night

Low: 3 °F
Partly Cloudy
Tuesday

High: 19 °F
Mostly Cloudy
Detailed Forecast
Tonight
Mostly clear, with a low around -11. Wind chill values as low as -18. West northwest wind 5 to 9 mph becoming calm after midnight.
Saturday
Increasing clouds and cold, with a high near 7. Wind chill values as low as -13. Calm wind becoming west around 5 mph.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a temperature falling to near 4 by 10pm, then rising to around 8 during the remainder of the night. Wind chill values as low as -3. Calm wind becoming east northeast around 6 mph after midnight. Chance of precipitation is 30%.
Sunday
Snow. High near 17. Wind chill values as low as -2. East northeast wind 6 to 10 mph. Chance of precipitation is 90%. New snow accumulation of around 3 inches.
Sunday Night
Snow likely, mainly before 1am. Cloudy, with a low around 11. North northeast wind around 9 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Monday
A chance of snow before 1pm. Partly sunny, with a high near 17. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 3.
Tuesday
Mostly cloudy, with a high near 19.
Tuesday Night
Partly cloudy, with a low around 2.
Wednesday
Partly sunny, with a high near 16.
Wednesday Night
Mostly cloudy, with a low around 2.
Thursday
Partly sunny, with a high near 16.
Thursday Night
Partly cloudy, with a low around 1.
Friday
Partly sunny, with a high near 17.
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ABOUT THIS FORECAST
Point Forecast:
3 Miles SE Casco MI
42.74°N 82.64°W (Elev. 623 ft)
42.74°N 82.64°W (Elev. 623 ft)
4:13 pm EST Jan 23, 2026
6pm EST Jan 23, 2026-6pm EST Jan 30, 2026



